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1 | /* |
2 | * Copyright (C) 1998-1999 Ian Jackson |
3 | * |
4 | * This is free software; you can redistribute it and/or modify it |
5 | * under the terms of the GNU General Public License as published by |
6 | * the Free Software Foundation; either version 2 of the License, or |
7 | * (at your option) any later version. |
8 | * |
9 | * This program is distributed in the hope that it will be useful, but |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | * General Public License for more details. |
13 | * |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with userv-utils; if not, write to the Free Software |
16 | * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
17 | * |
18 | * $Id: ucgicommon.c,v 1.3 1999/11/09 23:04:32 ian Exp $ |
19 | */ |
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20 | |
21 | #include <stdio.h> |
22 | #include <string.h> |
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23 | #include <errno.h> |
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24 | |
25 | #include "ucgi.h" |
26 | |
27 | const char *const envok[]= { |
28 | "CONTENT_LENGTH", |
29 | "CONTENT_TYPE", |
30 | "DOCUMENT_ROOT", |
31 | "GATEWAY_INTERFACE", |
32 | "HTTP_ACCEPT", |
33 | "HTTP_ACCEPT_ENCODING", |
34 | "HTTP_ACCEPT_LANGUAGE", |
35 | "HTTP_CACHE_CONTROL", |
36 | "HTTP_HOST", |
37 | "HTTP_NEGOTIATE", |
38 | "HTTP_PRAGMA", |
39 | "HTTP_USER_AGENT", |
40 | "PATH_INFO", |
41 | "PATH_TRANSLATED", |
42 | "QUERY_STRING", |
43 | "REMOTE_ADDR", |
44 | "REMOTE_HOST", |
45 | "REMOTE_USER", |
46 | "REMOTE_IDENT", |
47 | "REQUEST_METHOD", |
48 | "SCRIPT_FILENAME", |
49 | "SCRIPT_NAME", |
50 | "SCRIPT_URI", |
51 | "SCRIPT_URL", |
52 | "SERVER_ADMIN", |
53 | "SERVER_NAME", |
54 | "SERVER_PORT", |
55 | "SERVER_PROTOCOL", |
56 | "SERVER_SOFTWARE", |
57 | 0 |
58 | }; |
59 | const int nenvok= sizeof(envok)/sizeof(envok[0]); |
60 | |
61 | int debugmode= 0; |
62 | |
63 | static void outerror(void) { |
64 | perror("stdout"); |
65 | exit(debugmode ? 0 : -1); |
66 | } |
67 | |
68 | void syserror(const char *m) { |
69 | if (printf("Content-Type: text/plain\n\n" |
70 | "ucgi: system call error:\n" |
71 | "%s: %s\n", |
72 | m,strerror(errno))==EOF || fflush(stdout)) outerror(); |
73 | exit(0); |
74 | } |
75 | |
76 | void error(const char *m) { |
77 | if (printf("Content-Type: text/plain\n\n" |
78 | "ucgi: error:\n" |
79 | "%s\n", |
80 | m)==EOF || fflush(stdout)) outerror(); |
81 | exit(0); |
82 | } |
83 | |
84 | void *xmalloc(size_t sz) { |
85 | void *r; |
86 | |
87 | r= malloc(sz); |
88 | if (!r) syserror("malloc failed"); |
89 | return r; |
90 | } |
91 | |
92 | void xsetenv(const char *en, const char *ev, int overwrite) { |
93 | if (setenv(en,ev,overwrite)) syserror("setenv"); |
94 | } |